Winfea

Verified answer

х+5/9=8/9
х=8/9-5/9
х=3/9

х-7/12=1/12
х=7/12+1/12
х=8/12

6 19/35-х= 1 2/35
х= 6 19/35 - 1 2/35
х= 5 17/35

iramazurk

Пошаговое объяснение:

1)

х + 5/9 = 8/9

х = 8/9 - 5/9

х = 3/9

х = 1/3

2)

х - 7/12 = 1/12

х = 1/12 + 7/12

х = 8/12

х = 2/3

3)

6 19/35 - х = 1 2/35

х = 6 19/35 - 1 2/35

х = 5 17/35